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optimize qemu params on x86_64 #3

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Merged
ilmanzo merged 1 commit into from
Sep 25, 2025
Merged

optimize qemu params on x86_64 #3

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5 changes: 2 additions & 3 deletions source/aarch64.d
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Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,7 @@ class AARCH64_VM : VirtualMachine
return [
"-machine", "virt",
"-cpu", "max",
"-bios", "/usr/share/qemu/aavmf-aarch64-code.bin"

"-bios", "/usr/share/qemu/aavmf-aarch64-code.bin",
];
}

Expand All @@ -33,7 +32,7 @@ class AARCH64_VM : VirtualMachine
{
return [
"-drive",
format("file=%s,if=virtio,cache=none,aio=native,discard=unmap", diskPath)
format("file=%s,if=virtio,cache=writeback,aio=native,discard=unmap,cache.direct=on", diskPath)
];
}

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2 changes: 1 addition & 1 deletion source/ppc64le.d
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Expand Up @@ -25,7 +25,7 @@ class PPC64LE_VM : VirtualMachine
{
return [
"-drive",
format("file=%s,if=virtio,cache=none,aio=native,discard=unmap", diskPath)
format("file=%s,if=virtio,cache=writeback,aio=native,discard=unmap,cache.direct=on", diskPath)
];
}

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4 changes: 2 additions & 2 deletions source/x86_64.d
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Expand Up @@ -17,7 +17,7 @@ class X86_64_VM : VirtualMachine
/// Returns an array of architecture-specific QEMU arguments.
override string[] getArchArgs()
{
return ["-M", "q35"];
return ["-M", "q35", "-enable-kvm", "-cpu", "host"];
}

/// Returns an array of QEMU arguments for graphical output.
Expand All @@ -31,7 +31,7 @@ class X86_64_VM : VirtualMachine
{
return [
"-drive",
format("file=%s,if=virtio,cache=none,aio=native,discard=unmap", diskPath)
format("file=%s,if=virtio,cache=writeback,aio=native,discard=unmap,cache.direct=on", diskPath)
];
}

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